Thanks, Andrew. I have worked around my problem by the fortunate situation of only having to provide a single fixed IP address. My code no longer needs to use the web page to discover the ragne of IP addresses that have been provided. That is no solution for most applications of course.
Connecting to the HTTP interface fails. The HTTP settings are the default 127.0.0.1:6789. I have seen this on 1.73 on Windows 10 and 1.75 on Windows 7. The console and log error is: HTTP Client 127.0.0.1, Message Receive failed, WSAError 0 However looking at the source code, the code to get the error is commented out, so the real cause is a lack of received bytes. I have played with firewalls and failed to change this result. Can anyone help please? Thanks, Roy Harrison